From: Tim Fletcher (tim@fletchmail.net)
Date: Fri Jan 17 2003 - 11:41:57 GMT-3
Answers inline.
At 02:43 PM 1/17/2003 +0800, surenv wrote:
>Hi Group question I am pondering and need answer. Thanks in advance.
>
>dialer idle-timeout inbound
>It is used to reset the timer based on the incoming traffic that matches
>the interesting traffic defined by dialer list. When it is in default
>setting
>
>http://www.cisco.com/en/US/products/sw/iosswrel/ps1834/products_feature_
>guide09186a008007ffd1.html
>
>dialer-group
>
>Used to define interesting traffic that is outgoing to trigger the line.
>
>
>
>dialer watch
>
>To activate the line when the watched route is missing.
>
>First question
>The interesting traffic definition is outgoing. The incoming traffic
>might not match it. e.g
>
>dialer-list 1 protocol permit ip list 101
>access-list 101 permit icmp host 10.1.1.2 host 10.1.1.3 echo
>
>Ping from host icmp 10.1.1.2 to 10.1.1.3 will trigger the line. If the
>dialer idle-timeout is inbound. Will the echo-reply reset the
>idle-timeout timer?
Yes, any inbound traffic will reset the timer.
>
>Second question.
>Watch group might trigger the line when the route is lost. However, if
>there is no interesting traffic in the line, will the line be brought
>down?
No, with dialer watch the link stays up until the watched route returns.
>
>Third question
>Is the dialer timeout timer is maintained by the calling router or the
>called router?
Either side can disconnect the link. This creates a problem with dialer
watch, because the dialer watch side will nail the link up until the route
returns. If the other side has an idle timer set, it will drop the link
which will be immediately brought up again by dialer watch. Set the idle
timeout to 0 (on the non dialer watch side) to prevent this.
>
>Suren
>.
.
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